// Copyright (C) 2018-2023 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
//

#include <gtest/gtest.h>

#include <low_precision/align_quantization_intervals.hpp>
#include <low_precision/align_quantization_parameters.hpp>
#include <low_precision/concat.hpp>
#include <low_precision/fake_quantize_decomposition.hpp>
#include <low_precision/markup_avg_pool_precision_preserved.hpp>
#include <low_precision/markup_precisions.hpp>
#include <low_precision/markup_quantization_granularity.hpp>
#include <low_precision/propagate_precisions.hpp>
#include <low_precision/split.hpp>
#include <memory>
#include <sstream>
#include <string>
#include <transformations/init_node_info.hpp>
#include <transformations/utils/utils.hpp>

#include "common_test_utils/ngraph_test_utils.hpp"
#include "layer_transformation.hpp"
#include "low_precision/common/precisions_restriction.hpp"
#include "lpt_ngraph_functions/common/fake_quantize_on_data.hpp"
#include "lpt_ngraph_functions/concat_function.hpp"
#include "simple_low_precision_transformer.hpp"

using namespace testing;
using namespace ngraph;
using namespace ngraph::pass;

namespace {

class ConcatTransformationActualValues {
public:
    ngraph::builder::subgraph::FakeQuantizeOnData fakeQuantize1;
    ngraph::builder::subgraph::FakeQuantizeOnData fakeQuantize2;
};

inline std::ostream& operator<<(std::ostream& out, const ConcatTransformationActualValues& values) {
    return out << "_" << values.fakeQuantize1 << "_" << values.fakeQuantize2;
}

class ConcatTransformationResultValues {
public:
    ngraph::builder::subgraph::FakeQuantizeOnData fakeQuantize1;
    ngraph::builder::subgraph::FakeQuantizeOnData fakeQuantize2;
    ngraph::element::Type precisionBeforeOp;
    ngraph::builder::subgraph::DequantizationOperations dequantizationBefore1;
    ngraph::builder::subgraph::DequantizationOperations dequantizationBefore2;
    ngraph::element::Type precisionAfterOperation;
    ngraph::builder::subgraph::DequantizationOperations dequantizationOperations1;
    ngraph::builder::subgraph::DequantizationOperations dequantizationOperations2;
};

inline std::ostream& operator<<(std::ostream& out, const ConcatTransformationResultValues& values) {
    return out << "_" << values.fakeQuantize1 << "_" << values.fakeQuantize2 << "_" << values.dequantizationOperations1
               << "_" << values.dequantizationOperations2;
}

class ConcatTransformationTestValues {
public:
    TestTransformationParams params;
    bool multiChannels;
    ConcatTransformationActualValues actual;
    ConcatTransformationResultValues result;
};

inline std::ostream& operator<<(std::ostream& out, const ConcatTransformationTestValues& values) {
    return out << "_" << values.multiChannels << "_" << values.actual << "_" << values.result;
}

typedef std::tuple<ngraph::element::Type,
                   ngraph::PartialShape,
                   ConcatTransformationTestValues,
                   bool  // additional Convolution after Split
                   >
    ConcatTransformationParams;

class ConcatWithSplitTransformation : public LayerTransformation,
                                      public testing::WithParamInterface<ConcatTransformationParams> {
public:
    void SetUp() override {
        const ngraph::element::Type precision = std::get<0>(GetParam());
        const ngraph::PartialShape shape = std::get<1>(GetParam());
        const ConcatTransformationTestValues testValues = std::get<2>(GetParam());
        const bool addConvolution = std::get<3>(GetParam());

        actualFunction = ngraph::builder::subgraph::ConcatFunction::getOriginalWithSplitedIntermediate(
            precision,
            shape,
            testValues.actual.fakeQuantize1,
            testValues.actual.fakeQuantize2,
            addConvolution);

        auto supportedPrecisions = std::vector<ngraph::pass::low_precision::PrecisionsRestriction>(
            {ngraph::pass::low_precision::PrecisionsRestriction::create<ngraph::opset1::Convolution>({
                {{0}, testValues.params.precisionsOnActivations},
                {{1}, testValues.params.precisionsOnWeights},
            })});

        auto quantizationRestrictions =
            testValues.multiChannels ? std::vector<ngraph::pass::low_precision::QuantizationGranularityRestriction>()
                                     : std::vector<ngraph::pass::low_precision::QuantizationGranularityRestriction>(
                                           {ngraph::pass::low_precision::QuantizationGranularityRestriction::create<
                                               ngraph::opset1::Convolution>()});

        SimpleLowPrecisionTransformer transform(supportedPrecisions, quantizationRestrictions);
        transform.add<ngraph::pass::low_precision::ConcatTransformation, ngraph::opset1::Concat>(testValues.params);
        transform
            .add<ngraph::pass::low_precision::FakeQuantizeDecompositionTransformation, ngraph::opset1::FakeQuantize>(
                testValues.params);
        transform.add<ngraph::pass::low_precision::SplitTransformation, ngraph::opset1::Split>(testValues.params);
        transform.transform(actualFunction);

        referenceFunction = ngraph::builder::subgraph::ConcatFunction::getReferenceWithSplitedIntermediate(
            precision,
            shape,
            testValues.result.fakeQuantize1,
            testValues.result.fakeQuantize2,
            testValues.result.precisionBeforeOp,
            testValues.result.dequantizationBefore1,
            testValues.result.dequantizationBefore2,
            testValues.result.precisionAfterOperation,
            addConvolution,
            testValues.result.dequantizationOperations1,
            testValues.result.dequantizationOperations2);
    }

    static std::string getTestCaseName(testing::TestParamInfo<ConcatTransformationParams> obj) {
        const ngraph::element::Type precision = std::get<0>(obj.param);
        const ngraph::PartialShape shape = std::get<1>(obj.param);
        const ConcatTransformationTestValues testValues = std::get<2>(obj.param);
        const bool addConvolution = std::get<3>(obj.param);

        std::ostringstream result;
        result << LayerTransformation::getTestCaseNameByParams(precision, shape, testValues.params) << "_"
               << (testValues.multiChannels ? "multiChannels_" : "notMultiChannels_")
               << (addConvolution ? "" : "without_convolution_") << testValues.actual << "_" << testValues.result
               << "_";
        return result.str();
    }
};

TEST_P(ConcatWithSplitTransformation, CompareFunctions) {
    actualFunction->validate_nodes_and_infer_types();
    auto res = compare_functions(actualFunction, referenceFunction, true, true);
    ASSERT_TRUE(res.first) << res.second;
}

const std::vector<ngraph::element::Type> precisions = {
    ngraph::element::f32,
    // ngraph::element::f16
};

const std::vector<ngraph::PartialShape> shapes = {
    {1, 6, 10, 10},
    {Dimension::dynamic(), 6, Dimension::dynamic(), Dimension::dynamic()}};

namespace casesWithConvolution {
const std::vector<ConcatTransformationTestValues> testValues = {
    // U8: concat
    {LayerTransformation::createParamsU8I8(),
     false,
     {{256ul, ngraph::Shape({}), {0.f}, {2.55f}, {0.f}, {2.55f}},
      {256ul, ngraph::Shape({}), {0.f}, {2.55f / 2.f}, {0.f}, {2.55f / 2.f}}},
     {{256ul, ngraph::Shape({}), {0.f}, {2.55f}, {0.f}, {255.f}},
      {256ul, ngraph::Shape({}), {0.f}, {2.55f / 2.f}, {0.f}, {255.f}},
      ngraph::element::u8,
      {{}, {}, {}},
      {{}, {}, {}},
      ngraph::element::u8,
      {ngraph::element::f32, {}, {{0.01f, 0.01f, 0.01f, 0.005f, 0.005f, 0.005f}}},
      {ngraph::element::f32, {}, {0.005f}}}},
    // I8: concat
    {LayerTransformation::createParamsI8I8(),
     false,
     {{256ul, ngraph::Shape({}), {-1.28f}, {1.27f}, {-1.28f}, {1.27f}},
      {256ul, ngraph::Shape({}), {-1.28f / 2.f}, {1.27f / 2.f}, {-1.28f / 2.f}, {1.27f / 2.f}}},
     {{256ul, ngraph::Shape({}), {-1.28f}, {1.27f}, {-128.f}, {127.f}},
      {256ul, ngraph::Shape({}), {-1.28f / 2.f}, {1.27f / 2.f}, {-128.f}, {127.f}},
      ngraph::element::i8,
      {{}, {}, {}},
      {{}, {}, {}},
      ngraph::element::i8,
      {ngraph::element::f32, {}, {{0.01f, 0.01f, 0.01f, 0.005f, 0.005f, 0.005f}}},
      {ngraph::element::f32, {}, {0.005f}}}},
    // U8: concat with subtract
    {LayerTransformation::createParamsU8I8(),
     false,
     {{256ul, ngraph::Shape({}), {0.f}, {2.55f}, {0.f}, {2.55f}},
      {256ul, ngraph::Shape({}), {1.275f}, {2.55f}, {1.275f}, {2.55f}}},
     {{256ul, ngraph::Shape({}), {0.f}, {2.55f}, {0.f}, {255.f}},
      {256ul, ngraph::Shape({}), {1.275f}, {2.55f}, {0.f}, {255.f}},
      ngraph::element::u8,
      {{}, {}, {}},
      {{}, {}, {}},
      ngraph::element::u8,
      {ngraph::element::f32,
       {{0.f, 0.f, 0.f, -255.f, -255.f, -255.f}},
       {{0.01f, 0.01f, 0.01f, 0.005f, 0.005f, 0.005f}}},
      {ngraph::element::f32, {-255.f}, {0.005f}}}},
    // U8: concat multi channels
    {LayerTransformation::createParamsU8I8(),
     true,
     {{256ul, ngraph::Shape({}), {0.f}, {2.55f}, {0.f}, {2.55f}},
      {256ul, ngraph::Shape({}), {0.f}, {2.55f / 2.f}, {0.f}, {2.55f / 2.f}}},
     {{256ul, ngraph::Shape({}), {0.f}, {2.55f}, {0.f}, {255.f}},
      {256ul, ngraph::Shape({}), {0.f}, {2.55f / 2.f}, {0.f}, {255.f}},
      ngraph::element::u8,
      {{}, {}, {}},
      {{}, {}, {}},
      ngraph::element::u8,
      {ngraph::element::f32, {}, {{0.01f, 0.01f, 0.01f, 0.005f, 0.005f, 0.005f}}},
      {ngraph::element::f32, {}, {0.005f}}}},
    // U8: concat multi channels with per-channel quantization
    {LayerTransformation::createParamsU8I8(),
     true,
     {{256ul, ngraph::Shape({}), {0.f}, {2.55f / 2.f}, {0.f}, {2.55f / 2.f}},
      {256ul,
       ngraph::Shape({1, 6, 1, 1}),
       {0.f, 0.f, 0.f, 0.f, 0.f, 0.f},
       {255.f, 25.5f, 2.55f, 25.5f, 255.f, 2.55f},
       {0.f, 0.f, 0.f, 0.f, 0.f, 0.f},
       {255.f, 25.5f, 2.55f, 25.5f, 255.f, 2.55f}}},
     {{256ul, ngraph::Shape({}), {0.f}, {2.55f / 2.f}, {0.f}, {255.f}},
      {256ul,
       ngraph::Shape({1, 6, 1, 1}),
       {0.f, 0.f, 0.f, 0.f, 0.f, 0.f},
       {255.f, 25.5f, 2.55f, 25.5f, 255.f, 2.55f},
       {0.f},
       {255.f}},
      ngraph::element::u8,
      {{}, {}, {}},
      {{}, {}, {}},
      ngraph::element::u8,
      {ngraph::element::f32, {}, {{0.005f, 0.005f, 0.005f, 1.f, 0.1f, 0.01f}}},
      {ngraph::element::f32, {}, {{0.1f, 1.f, 0.01f}}}}},
    // I8: concat multi channels
    {LayerTransformation::createParamsI8I8(),
     true,
     {{256ul, ngraph::Shape({}), {-1.28f}, {1.27f}, {-1.28f}, {1.27f}},
      {256ul, ngraph::Shape({}), {-1.28f / 2.f}, {1.27f / 2.f}, {-1.28f / 2.f}, {1.27f / 2.f}}},
     {{256ul, ngraph::Shape({}), {-1.28f}, {1.27f}, {-128.f}, {127.f}},
      {256ul, ngraph::Shape({}), {-1.28f / 2.f}, {1.27f / 2.f}, {-128.f}, {127.f}},
      ngraph::element::i8,
      {{}, {}, {}},
      {{}, {}, {}},
      ngraph::element::i8,
      {ngraph::element::f32, {}, {{0.01f, 0.01f, 0.01f, 0.005f, 0.005f, 0.005f}}},
      {ngraph::element::f32, {}, {0.005f}}}},
    // not update precisions
    {LayerTransformation::createParamsI8I8().setUpdatePrecisions(false),
     true,
     {{256ul, ngraph::Shape({}), {-1.28f}, {1.27f}, {-1.28f}, {1.27f}},
      {256ul, ngraph::Shape({}), {-1.28f / 2.f}, {1.27f / 2.f}, {-1.28f / 2.f}, {1.27f / 2.f}}},
     {{256ul, ngraph::Shape({}), {-1.28f}, {1.27f}, {-128.f}, {127.f}},
      {256ul, ngraph::Shape({}), {-1.28f / 2.f}, {1.27f / 2.f}, {-128.f}, {127.f}},
      ngraph::element::f32,
      {{}, {}, {}},
      {{}, {}, {}},
      ngraph::element::f32,
      {{}, {}, {{0.01f, 0.01f, 0.01f, 0.005f, 0.005f, 0.005f}}},
      {{}, {}, {0.005f}}}},
};

INSTANTIATE_TEST_SUITE_P(smoke_LPT,
                         ConcatWithSplitTransformation,
                         ::testing::Combine(::testing::ValuesIn(precisions),
                                            ::testing::ValuesIn(shapes),
                                            ::testing::ValuesIn(testValues),
                                            ::testing::Values(true)),
                         ConcatWithSplitTransformation::getTestCaseName);
}  // namespace casesWithConvolution

// test cases to check output names
namespace casesWithoutConvolution {
const std::vector<ConcatTransformationTestValues> testValues = {
    {LayerTransformation::createParamsU8I8(),
     true,
     {{256ul, ngraph::Shape({}), {0.f}, {2.55f}, {0.f}, {2.55f}},
      {256ul, ngraph::Shape({}), {0.f}, {2.55f / 2.f}, {0.f}, {2.55f / 2.f}}},
     {{256ul, ngraph::Shape({}), {0.f}, {2.55f}, {0.f}, {255.f}},
      {256ul, ngraph::Shape({}), {0.f}, {2.55f / 2.f}, {0.f}, {255.f}},
      ngraph::element::u8,
      {{}, {}, {}},
      {{}, {}, {}},
      ngraph::element::u8,
      {ngraph::element::f32, {}, {{0.01f, 0.01f, 0.01f, 0.005f, 0.005f, 0.005f}}},
      {ngraph::element::f32, {}, {0.005f}}}},
};

INSTANTIATE_TEST_SUITE_P(smoke_LPT,
                         ConcatWithSplitTransformation,
                         ::testing::Combine(::testing::ValuesIn(precisions),
                                            ::testing::ValuesIn(shapes),
                                            ::testing::ValuesIn(testValues),
                                            ::testing::Values(false)),
                         ConcatWithSplitTransformation::getTestCaseName);
}  // namespace casesWithoutConvolution
}  // namespace
